30

This number is a composite.

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Least integer the sum of whose distinct semiprime factors is prime. Semiprimes (6, 10, 15) divide 30, and 6 + 10 + 15 = 31. [Post]

Submitted: 2009-08-29 01:22:03;   Last Modified: 2009-08-29 13:47:41.
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